Apple's Q2 2014 earnings are out, and the data provided gives us an insight into how well the company performed over the last quarter relative to historical data. iPhone sales are strong, but iPad sales show a worrying fall.

The New York Times' Catherine Rampell asked if Apple is trying to bust your iPhone to get you to upgrade. While it may benefit Apple – and every other company – to make old products obsolete, there are bigger forces at work.